Jeff Zhou, Director at MONOLITHIC POWER SYSTEMS INC (MPWR), sold 1,500 shares at $370.00 ($554K) on 2021-06-28, disclosed to the SEC on 2021-06-28.
Open-market sale of $554k MPWR by Director. Not flagged as scheduled, tax-driven, or recurring — but no specific bearish signal from our filters. Reasons for insider sales vary widely.
Nothing distinguishes this filing.
| # | Price | Shares | Value | % of Total |
|---|---|---|---|---|
| 1 | $367.65 | 1,000 | $368K | 66.4% |
| 2 | $370.00 | 250 | $93K | 16.7% |
| 3 | $375.00 | 250 | $94K | 16.9% |
| Total | $369.27 avg | 1,500 | $554K | 100% |
| Filing → |
| MPWR | SELL | 2025-08-28 | $168K | — | Filing → |
| MPWR | SELL | 2025-08-15 | $340K | — | Filing → |
| MPWR | SELL | 2025-08-13 | $166K | — | Filing → |